TY  - JOUR
AU  - A. D. Morozov
TI  - On the question of the complete qualitative investigation of Duffing's equation
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 1973
SP  - 1134
EP  - 1152
VL  - 13
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_1973_13_5_a3/
LA  - ru
ID  - ZVMMF_1973_13_5_a3
ER  -